Riviera Beach weather in May

In May, Riviera Beach sees average daytime highs of 80°F and overnight lows near 75°F, with 4.0 in of rain across 12.4 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 82°F by the end. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Riviera Beach's 2nd-clearest and 8th-windiest month. For the whole year in context, see Riviera Beach's year-round climate.

Daytime high
80°
6th warmest
Overnight low
75°
7th coldest
Rainfall
4.0 in
12.4 wet days
Daylight
13 h 18 min
5:37 AM – 6:56 PM
Cloud cover
49%
2nd clearest
Wind
9 mph
8th windiest
Solar energy
6.32 kWh/m²
Travel score
6.3
out of 10

Riviera Beach is city in Palm Beach County, Florida, United States.

Density
1,281/km²
people per km²
Founded
1922

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 79°F in the first days to 82°F by the end.

A typical May day in Riviera Beach reaches about 80°F in the afternoon and slips back to 75°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 84°F. Set against its neighbours, May runs about 3°F warmer than April and about 3°F cooler than June.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
17973
27973
37973
47973
57973
67974
77974
88074
98074
108074
118074
128074
138074
148074
158075
168075
178075
188075
198175
208175
218175
228175
238176
248176
258176
268176
278276
288276
298276
308276
318276

How May really feels in Riviera Beach

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Riviera Beach weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan72° / 64°2.07.110.57.2
Feb73° / 65°1.96.511.17.4
Mar74° / 67°2.67.811.87.4
Apr77° / 71°2.68.412.67.2
May80° / 75°4.012.413.36.3
Jun83° / 78°6.521.113.74.2
Jul85° / 79°5.322.513.53.7
Aug85° / 80°6.524.212.93.5
Sep84° / 79°7.023.312.23.8
Oct81° / 76°4.515.111.45.7
Nov77° / 71°2.29.310.77.1
Dec74° / 67°1.77.410.37.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36832
46832
56931
66931
76832
86832
96832
106832
116832
126832
136634
146634
156535
166436
176337
186337
196238
206139
216040
225941
235941
245941
255842
265743
275644
285545
295446
305347
315248

Chance of precipitation in May

Any precipitation

Riviera Beach gets around 4.0 in of rain over 12.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
130
230
330
430
530
630
731
831
932
1033
1134
1235
1337
1438
1540
1641
1743
1844
1945
2046
2147
2248
2349
2450
2550
2651
2752
2853
2954
3056
3157

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1282137310
2282138320
3272038330
4271938340
5171939350
6161839350
7161739360
8151740370
9151640380
10141640390
11141541400
12131441410
13031440430
14021340450
15021239460
16011139480
17011137510
18011036530
1901935541
2000833581
2100832591
2200730621
2300628642
2400626662
2500525673
2600423703
2700421714
2800319735
2900317746
3000215758
3100214759

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:47 AM to 5:31 AM, and sunset from 6:47 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:476:47
213.05:476:48
313.05:466:49
413.15:456:49
513.15:446:50
613.15:446:50
713.15:436:51
813.25:426:51
913.25:416:52
1013.25:416:52
1113.25:406:53
1213.25:396:54
1313.35:396:54
1413.35:386:55
1513.35:386:55
1613.35:376:56
1713.35:376:56
1813.35:366:57
1913.45:366:58
2013.45:356:58
2113.45:356:59
2213.45:346:59
2313.45:347:00
2413.45:337:00
2513.55:337:01
2613.55:337:01
2713.55:327:02
2813.55:327:02
2913.55:327:03
3013.55:327:03
3113.55:317:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.32 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.09 kWh/m² to a high of 6.32 kWh/m² in May across the year — May's 6.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.0Intense
296.0Intense
306.0Intense
316.0Bright
Planning a trip in May

Hazard calendar for Riviera Beach

In seasonPeak

In May, Riviera Beach sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Riviera Beach sits in the Atlantic hurricane belt; the season peaks August–October.

Riviera Beach's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Riviera Beach?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
7th-best month of the year
6.3
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Riviera Beach for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Riviera Beach in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Riviera Beach sees daytime highs around 80°F and nights near 75°F. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Riviera Beach in May

The nearest coast averages about 81°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 mi away) is warmest in August at about 85°F and coldest in February near 77°F.

The water stays above 68°F all year — warm enough for a swim any month.

75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan77Warm
Feb77Warm
Mar77Warm
Apr78Warm
May81Warm
Jun83Tropical
Jul84Tropical
Aug85Tropical
Sep85Tropical
Oct83Tropical
Nov81Warm
Dec79Warm

UV index in Riviera Beach in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riviera Beach peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Riviera Beach in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Riviera Beach is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Riviera Beach?

Riviera Beach sits at 26.8°N, 80.1°W, 13 ft above sea level, in United States. The nearest listed city is West Palm Beach, 4.3 mi away.

Topography around Riviera Beach

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Riviera Beach.

Within 2 miles, the terrain around Riviera Beach has only modest variations in elevation — a maximum elevation change of 56 ft around an average of 13 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 157 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 210 ft.

The land around Riviera Beach is covered by artificial surfaces (56%) and water (25%) within 2 miles, water (48%) and artificial surfaces (22%) within 10 miles, and water (43%) within 50 miles.

2 miles
56 ft
10 miles
157 ft
50 miles
210 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: West Palm Beach 4.3 mi · Palm Beach Gardens 6.2 mi · Palm Springs 9.9 mi · Lake Worth Beach 11 mi · Jupiter 11 mi · Greenacres City 11 mi · Lake Worth Corridor 11 mi · Royal Palm Beach 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Riviera Beach (26.7753°, -80.0581°, elevation 13 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).